Standard Lemma guide

cepstrum

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈkɛpstɹəm/
  • /ˈsɛpstɹəm/
  • /ˈkɛpstɹʌm/
  • /ˈsɛpstɹʌm/

1

noun

Meaning 1

The inverse Fourier transform of the logarithm of a magnitude spectrum; used especially in voice analysis.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences, signal-processing

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From a reversal of the first syllable of the word spectrum.

Across languages

Translations

5 source translations are retained for this English entry.

  • Finnish: kepstri — Fourier transform of the logarithm of a spectrum
  • French: cepstre — Fourier transform of the logarithm of a spectrum
  • Portuguese: cepstro — Fourier transform of the logarithm of a spectrum
  • Russian: ке́пстр (képstr) — Fourier transform of the logarithm of a spectrum
  • Spanish: cepstrum — Fourier transform of the logarithm of a spectrum